DVDFab 13 supports conversions between Blu-ray and DVD, as well as conversions between Blu-ray and 4K Ultra HD Blu-ray. There are four modes available, all under the Copy module. To switch modes, simply click on the blue button on the main interface.
To convert DVD sources to Blu-ray format, use DVDFab DVD to Blu-ray Converter.
For Blu-ray sources：
1. To convert it to DVD format, use DVDFab Blu-ray to DVD Converter;
2. To convert it to UHD format, use DVDFab Blu-ray to UHD Converter.
To convert 4K Ultra HD Blu-ray movies to Blu-ray with smaller sizes, use DVDFab UHD to Blu-ray Converter.